The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 19, 2014
Filed:
Aug. 26, 2010
Klaus Wilhelm Lienert, Hamburg, DE;
Marco Busi, Mantova, IT;
Nataly Colombi, Sala Breganza, IT;
Alberto Pederzani, Parma, IT;
Paola Gherardi, Parma, IT;
Klaus Wilhelm Lienert, Hamburg, DE;
Marco Busi, Mantova, IT;
Nataly Colombi, Sala Breganza, IT;
Alberto Pederzani, Parma, IT;
Paola Gherardi, Parma, IT;
Elantas GmbH, Wesel, DE;
Abstract
Compositions comprising at least one epoxy resin and/or reactive diluents, at least one hardener for the at least one epoxy resin, at least one curing indicator, wherein the color of the composition changes depending on the curing degree, a process for determining sufficient cure of a composition comprising providing a composition comprising at least one epoxy resin and a hardener for the epoxy resin, adding a curing indicator, applying curing conditions to the colored composition until the composition changes its color and use of polymeric colorants as curing degree indicator, wherein the curing indicator is a polymeric colorant consisting of chromophores which are chemically bound to polymers having reactive groups.